1.25ct Sapphire (Pear, 8.95×5.39mm, Blue) vs 1ct Diamond (Pear, 9.05×5.45mm, Blue)
Quick summary: When looked from above (face-up position), 1ct Colored Diamond (9.05×5.45mm, pear cut) appears 2% larger than 1.25ct Sapphire (8.95×5.39mm, pear cut). See below how they compare side-by-side on a ring and finger.
| 1.25ct Sapphire (pear cut) |
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1ct Diamond (pear cut) |
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blue |
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| 8.95×5.39 mm | 9.05×5.45 mm | |
| actual size | ||
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Actual size is set for screen
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Ring:
Skin tone:
Ring width: 3.0 mm
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64 mm |
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Actual sizes of
1.25ct Sapphire Pear (8.95×5.39mm, Blue)
and
1ct Diamond Pear (9.05×5.45mm, Blue)
as they would appear on a ring and finger.
Adjust the ring and finger size to get an idea of how these gemstones would look on your finger.
Where to buy?
For certified gemstones, high-end gemstone jewelry, and birthstone jewelry, see Blue Nile
Face-up Size
All things being equal, Sapphire will face-up smaller than Diamond for a given
carat weight, because it has higher specific gravity
(4 vs. 3.52 - this means it's "heavier" compared to Diamond of the same size). Face-up size also depends heavily on the proportions of the cut.
Face-up area is a measure of the size of the gem when viewed from above (as set in a ring). It tells you how big the gem is at the girdle plane.
Face-up area is a measure of the size of the gem when viewed from above (as set in a ring). It tells you how big the gem is at the girdle plane.
| 1.25 Ct Sapphire (Pear) | 1 Ct Colored Diamond (Pear) | |
| 8.95×5.39 mm | vs | 9.05×5.45 mm |
| 35.22 mm² | 36.01 mm² |
| 1.25ct Sapphire Pear (8.95×5.39mm) | |
| 1ct Colored Diamond Pear (9.05×5.45mm) | |
| Difference: 2% (0.79 mm²) |
1ct Colored Diamond (Pear, 9.05×5.45mm) has approx. 2% more face-up area than 1.25ct Sapphire (Pear, 8.95×5.39mm).
Popular comparisons:
- 1.25ct Sapphire (Pear, Blue, 8.95 x 5.39) vs. 1ct Diamond (Pear, White, 9.05 x 5.45)
- 1.25ct Sapphire (Pear, Blue, 8.95 x 5.39) vs. 1.4ct Sapphire (Pear, Blue, 9.3 x 5.6)
- 1.25ct Sapphire (Pear, Blue, 8.95 x 5.39) vs. 1.25ct Diamond (Pear, White, 9.74 x 5.87)
- 1.25ct Sapphire (Pear, Blue, 8.95 x 5.39) vs. 1ct Diamond (Pear, Light Red, 9.05 x 5.45)
- 1.25ct Sapphire (Pear, Blue, 8.95 x 5.39) vs. 2ct Sapphire (Round, Blue, 6.8 x 6.8)
- 1.25ct Sapphire (Pear, Blue, 8.95 x 5.39) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1.25ct Sapphire (Pear, Blue, 8.95 x 5.39) vs. 1.58ct Sapphire (Round, Blue, 6.88 x 6.88)
- 1.25ct Sapphire (Pear, Blue, 8.95 x 5.39) vs. 1.1ct Sapphire (Pear, Blue, 8.57 x 5.16)